4. Related to Multiplying Rectangular Matrices Consider the problem of multiplying n rectangular matrices discussed in class. Assume, in contrast to what we did in class, that we want to determine the maximum number of scalar multiplications that one might need (that is, compute the maximum over all possible parenthesizations). Formulate precisely an algorithm that determines this value. Then carry out your method on the following product to show what is the worst-possible parenthesization and how many scalar multiplications are required to carry it out: M9,2*M2,9*M9,1*M1,8*M8,6.

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94